Answered: The number of ants per acre in the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The number of ants per acre in the forest is normally distributed with mean 44,000 and standard deviation 12,064. Let X = number of ants in a randomly selected acre of the forest. Round all answers to 4 decimal places where possible.

c. Find the probability that a randomly selected acre has between 40,752 and 47,997 ants. Correct

d. Find the first quartile. ants (round your answer to a whole number)

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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